Tsien Hsue-shen (Qian Xuesen)

Tsien Hsue-shen, also known as Qian Xuesen, was a pioneering Chinese scientist and engineer specializing in aerodynamics and rocket science. He played a crucial role in developing missile technology and space programs for both the United States and China. In the U.S., he contributed to ballistic missile research, but was accused of links to communism, leading to his detention and eventual return to China in the 1950s. In China, he became a key figure in launching their missile and space programs. His work significantly advanced missile technology and space exploration, earning him recognition as the father of China’s modern rocket and space efforts.